package edu.sctu.practice.class02.Wangpeng.Assign03.Assign303;

import java.io.DataOutput;

/**
 * Created by wp on 2015/11/16.
 */
public class Circle {
    protected double radius;

    public Circle(){
        this(1.0);
    }
    public Circle(double radius){
        this.radius=radius;
    }
    public double getRadius(){
        return radius;
    }
    public void setRadius(double radius){
        this.radius=radius;
    }
    public double findArea(){
        return radius*radius*Math.PI;
    }
    public double findPerimeter(){
        return 2*radius*Math.PI;
    }
    public boolean equals(Circle circle){
        return this.radius==circle.getRadius();
    }
    public String toString(){
        return "[Circle]radius="+radius;
    }
}
